A documentary history of conservation in America
Contributors: Doren, Charles van
Published: 1972
Language: und
Subjects: Sources; Conservation of natural resources; Ecology; History
Notes: Ed. by Robert McHenry with Charles van Doren. Introd. by Lorus and Margery Milne.<br>New York [u.a.]: Praeber (1972). XVIII, 422 S.